Inspection Procedure
WARNING: This page is about a different car, the 2007 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
- READ VALUE OF INTELLIGENT TESTER
- Connect the intelligent tester to the DLC3.
- Turn the ignition switch to the ON position and press the intelligent tester main switch ON.
- Select the items below in the DATA LIST, and read the displays on the intelligent tester.
BODY
ITEM MEASUREMENT CONDITION CHARTItem Measurement Item/ Display (Range) Normal Condition Diagnostic Note ILLUMINATE RATE Illuminate rate/(0.8 ms to 22.0 ms) Value is output according to ambient light -
NG: Go to step 2
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
- CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK BODY ECU - AUTOMATIC LIGHT CONTROL SENSOR)
- Disconnect the automatic light control sensor connector and multiplex network body ECU connector.
- Measure the resistance according to the value(s) in the table below.
Resistance
TESTER CONNECTION SPECIFIED CONDITIONTester connection Condition Specified condition CLTE (A10-3) - CLTE (B4-4) Always Below 1 Ω CLTS (A10-5) - CLTS (B4-5) Always Below 1 Ω CLTB (A10-6) - CLTB (B4-6) Always Below 1 Ω CLTE (B4-4) - Body ground Always 10 kΩ or higher CLTS (B4-5) - Body ground Always 10 kΩ or higher CLTB (B4-6) - Body ground Always 10 kΩ or higher
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to Next step
- INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
- Measure the voltage according to the value(s) in the table below.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Voltage
TESTER CONNECTION SPECIFIED CONDITIONTester connection Condition Specified voltage CLTE (B4-4) - CLTB (B4-6) Ignition switch OFF → ON Below 1 V → 10 to 14 V
NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
OK: REPLACE AUTOMATIC LIGHT CONTROL SENSOR
- Measure the voltage according to the value(s) in the table below.